2. Algebraic formulas (algebraic expressions, fractions)
3. Inequality and unequal groups
4. Equations and equations (linear equations in one variable, linear equations in two variables, quadratic equations in one variable, fractional equations)
5. Functions (linear function, quadratic function, inverse proportional function)
6. Triangle
7.quadrilateral
8. Circle
9. Similar shapes
10, solving right triangle (acute trigonometric function)
1 1, views and projections
12 statistics
13, probability
14, graphics conversion